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author:

黄敏明 (黄敏明.) [1] | 傅仰耿 (傅仰耿.) [2] (Scholars:傅仰耿)

Indexed by:

PKU

Abstract:

提出一种基于曲率图卷积的非均匀分组与掩码策略,用以优化掩码自编码器.首先,提出曲率图卷积以避免固定邻域导致的归纳偏差;其次,在曲率图卷积后引入图池化层,根据点云局部特征进行池化操作并分组;最后,在池化层输出特征的基础上学习每个分组的掩码概率来避免冗余.实验结果表明,本方法能有效提高点云掩码自编码器在下游任务的泛化效果,在ModelNet40上的分类精度达到93.7%,在Completion3Dv2上的补全精度达到5.08,均优于目前主流方法.

Keyword:

图卷积神经网络 点云 自监督学习 自编码器 预训练

Community:

  • [ 1 ] 福州大学计算机与大数据学院

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Source :

福州大学学报(自然科学版)

ISSN: 1000-2243

CN: 35-1337/N

Year: 2024

Issue: 01

Volume: 52

Page: 1-6

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ESI Highly Cited Papers on the List: 0 Unfold All

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30 Days PV: 0

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